XML 26 R15.htm IDEA: XBRL DOCUMENT v3.23.1
Inventory
6 Months Ended
Mar. 31, 2023
Inventory Disclosure [Abstract]  
Inventory Disclosure [Text Block]
9. INVENTORY

     
Inventories consist of the following components:
March 31,September 30,
20232022
Raw materials$13,356 $12,504 
Work in process11,795 8,218 
Finished goods2,325 2,129 
Parts and supplies78,835 73,482 
Total inventories$106,311 $96,333